Fungi Species List

Pileus
Cap 2.0-5.0 cm broad, broadly conic to convex, in age sometimes plano-convex with a low umbo; margin when young, incurved, irregular in outline, especially when clustered, decurved at maturity; surface at first sparsely pubescent, soon smooth, translucent-striate, hygrophanous, dark brown to chestnut-brown with an underlying orange tinge, shading to a yellowish-buff margin, in age dingy-buff overall; flesh thin, watery-brown; odor, of cucumber; taste mild or faintly of cucumber.

	Macrolepiota rachodes: Chlorophyllum brunneum
	Pileus Cap 7-20 cm broad, subglobose to pulvinate, becoming convex to nearly plane in age; surface dry, brown, smooth, breaking up into coarse, brown, concentrically arranged scales except for the disc where the cuticle remains intact; margin inrolled at first, frequently appendiculate; flesh thick, white, discoloring yellow-orange, darkening to reddish-brown.

Macrotyphula juncea

Sporocarp
Fruiting body a slender, erect, strand, 3-8 cm tall, 0.5-1.5 mm thick, subpliant, stuffed at maturity, straight to curved, the tip obtuse; upper half to two-thirds, fertile, not well differentiated from the sterile base; surface of fertile region more or less glabrous, cream-buff to pale ochraceous-brown, the sterile portion slightly darker, sparsely villose, the base usually swollen and conspicuously pubescent; context thin, colored like the surface; odor and taste mild.

	Man on Horseback: Tricholoma flavovirens
	Pileus Cap 5-13 cm broad, convex, becoming nearly plane in age with upturned margin; yellow, often shading to a slightly scaly brownish disc; surface smooth, viscid in moist weather; flesh white, thick; odor, farinaceous.

	Matsutake: Tricholoma magnivelare
	Pileus Cap 5-25 cm broad, convex to plano-convex, margin inrolled at first, upturned in age; surface dry to subviscid when moist, white when young, developing yellow to orange or brownish stains in age; flesh thick, white; odor distinctly fragrant.

	Marasmiellus candidus
	Pileus Cap 0.6-4 cm broad, convex when young, expanding to plane or plane with a depressed center in age; surface dry, glabrous to slightly pruinose; color white, becoming buff to orange-white, often staining pinkish in age; flesh very thin, soft; odor and taste mild.

Marasmius androsaceus

Pileus
Cap 3-8 (10) mm broad, convex, becoming plano-convex, the disc slightly depressed to umbilicate; margin incurved in youth, then decurved, crenate; surface dry, dull, more or less glabrous, at first dark-brown, to dark reddish-brown, remaining so at the disc, fading to medium-brown or buff-brown at the margin, the latter sparsely covered with a buff-colored pubescence in youth; context thin, < 1 mm thick, cream-colored; odor and taste mild; fruiting bodies capable of reviving after drying.

Marasmius armeniacus

Pileus
Cap 4-12 mm broad, convex, expanding to nearly plane, the disc occasionally slightly raised; margin at first incurved, then decurved to nearly plane; surface conspicuously wrinkled, sometimes striate-rugulose at the margin, minutely hair; color: orange to orange-brown, slightly darker at the disc, in age fading to dull apricot-orange; flesh thin, virtually undetectable with the unaided eye; odor and taste mild.

	Marasmius calhouniae
	Pileus Cap 1-3 cm broad, convex, becoming nearly plane in age, the disc sometimes slightly depressed with an uplifted margin; surface translucent-striate when moist, faintly radially furrowed, otherwise smooth, pale grey to buff-grey, fading to ashy-white; flesh extremely thin, colored like the cap, unchanging; odor, mild, taste, mild to faintly raphanoid.

Marasmius copelandii

Pileus
Cap 0.5-2.0 cm broad, convex, expanding to nearly plane at maturity, sometimes slightly umbonate; margin decurved, striate-wrinkled up to two-thirds the distance to the disc; surface more or less glabrous, brown, shading to pale-tan at the margin, in age more uniformly brown, occasionally fading to nearly white; context less than 1 mm thick, colored like the cap; odor of garlic, taste: pungent.

Marasmius curreyi

Pileus
Cap 4.0-8.0 mm broad, convex, becoming plano-convex to plane in age, sulcate-striate, the disc depressed to umbilicate; margin at first incurved, then decurved, eventually level to raised, occasionally wavy; surface finely tomentose with a hand-lens, rust-brown, fading to orange, pinkish-tan or pale-tan, darkest at the disc and ribs; context membranous, cream-colored; odor and taste mild; fruiting body reviving after drying.

	Marasmius oreades
	Pileus Cap 1.5-4.0 cm broad, rounded, becoming campanulate (bell- shaped), finally convex to nearly plane, typically with a broad umbo; margin striate when moist, sometimes upturned in age; surface dry, smooth, light cinnamon-brown to buff-brown when young, fading in age to pale-buff or cream; flesh thick, reviving after being dried; odor and taste mild.

	Marasmius plicatulus
	Pileus Cap 1-4.0 cm broad, convex to campanulate, nearly plane in age; surface dry, velvety, mahogany-brown, rusty-brown or yellowish-brown, darkest at disc, striate to furrowed in age; flesh thin, pallid.

	Marasmius quercophilus
	Pileus Cap 2-5 mm broad, convex, broadly so to plane in age, occasionally with the disc depressed; margin decurved, sometimes becoming plane, often sulcate; surface minutely pruinose (use hand lens), striate wrinkled to two-thirds the distance from the margin to the disc; color light-brown at the disc, pallid to cream-buff at the margin; context very thin, pallid; odor mild, taste: untried.

	Meadow Mushroom: Agaricus campestris
	Pileus Cap 5-10 cm broad, convex, broadly convex in age, often with a low umbo; margin incurved, decurved to occasionally upturned in senescent specimens; surface dry, smooth, fibrillose to finely scaled in dry weather; color: white to ashy-grey; context white, thick, unchanging when bruised or in KOH; odor and taste mild.

	Megacollybia fallax
	Pileus Cap 6.0-9.0 (11.0) cm broad, convex, becoming plano-convex to plano-depressed; margin incurved, then decurved, wavy, rimose in dry weather; surface dry, grey-brown, appearing streaked from appressed fibrils over a pallid ground color, the disc sometimes darker and tomentose; context firm, white, unchanging, thin at the margin, up to 1.0 cm thick at the disc; odor and taste mild.

	Melanoleuca angelesiana
	Pileus Cap 3.0-9.0 cm broad, convex, in age plane to plano-depressed, sometimes with a low umbo; margin at first incurved, then decurved, occasionally wavy; surface moist, glabrous, grey-brown, streaked with darker fibrils; at maturity the cap fading to greyish-tan; context pale-grey, firm, up to 1.0 cm thick, unchanging, watery-grey just above the lamellae; odor and taste mild.

	Melanoleuca evenosa
	California Fungi—Melanoleuca evenosa

	Melanoleuca lewisii
	California Fungi—Melanoleuca lewisii

	Melanophyllum haematospermum
	Pileus Cap 1-3 cm broad, obtuse-conic, expanding to convex, sometimes with a low umbo; margin at first incurved, later decurved to level, hung with greyish-brown veil fragments; cap surface dingy-brown, granulose to powdered, darkest at the disc over a pallid ground color; context thin, ~2 mm at the disc, white, slowly pinkish when exposed; odor and taste sharp, somewhat astringent.

	Microglossum viride
	Sporocarp Fruiting body 1-4 cm tall, slender, upper third occupied by a fertile "head," the latter club-shaped typically compressed, smooth, sometime grooved, up to 5 mm broad, turquoise-green when fresh fading to dull green; stipe 1-1.5 mm thick, surface granular, colored like the "head" but lighter.

	Micromphale arbuticola
	California Fungi—Micromphale arbuticola

	Micromphale sequoiae
	California Fungi—Micromphale sequoiae

Mitrula elegans

Sporocarp
Fertile head up to 1.0 cm long, and 0.5 cm broad, variable in shape: cylindrical to oblong-elliptical, subglobose to obovate; surface glistening when moist, faintly wrinkled to furrowed, golden-yellow, the margin fused to the stipe, the latter comprising the one-half to two-thirds of the fruiting body; stipe often with a basal bend, 0.5-1.3 cm long, 1.0-1.5 mm thick, more or less equal, hollow at maturity, glabrous except pubescent at the base; color whitish, translucent, sometimes tinged pale-pink.

	Mniopetalum bryophila: Rimbachia bryophila
	Pileus Cap 5.0-10.0 mm long by 5.0-7.0 mm wide, pendulous cupulate, then pleurotoid to broadly fan-shaped; margin incurved, decurved in age, sometimes wavy; surface whitish, sparsely pubescent near the base, elsewhere glabrous or matted-fibrillose when dry; context very thin, less than 1 mm, watery-white; odor and taste mild.

Morchella deliciosa

Pileus
Cap 2.0-7.0 cm tall, 2.0-3.5 cm broad, conic to cylindrical-conic; surface of longitudinal sterile ridges, anastomosing cross ribs and pits, the latter typically several times longer than wide, lined with fertile tissue; color overall when young, pallid, dingy-cream, pale grey to greyish-brown becoming yellowish-brown in age, the ridges usually lighter than the pits, but sometimes dark-brown in senescent specimens; cap hollow, the margin fused to the stipe; context thin, firm, colored like the cap or lighter; odor and taste not distinctive.

Morchella elata

Pileus
Cap 2.0-8.0 cm tall, 2.0-6.0 cm broad, narrowly to broadly conic, occasionally more rounded, i.e. obtuse-conic to ovoid-conic; surface of parallel to meandering ridges and cross-ribs, pubescent when young in some forms; color at first greyish to ochre-brown, occasionally pinkish to blackish overall; with age the ridges dark-grey to blackish-brown, the pits lighter, i.e. ochre to grey-brown; margin when young, overlapping the stipe attachment, less so in age; context whitish, thin, firm, brittle, interior hollow; odor earthy to fungal; taste not investigated.

Morganella pyriformis

Sporocarp
Fruiting body up to 4.5 cm tall, 3.5 cm broad, pyriform to subglobose, usually with a well-developed, pleated sterile base and conspicuous white rhizomorphs; exoperidium when young, cream, pale-tan to ochre-brown, the surface spinulose to minutely warted, (nearly smooth to the unaided eye); with age and exposure, often medium-brown to dark-reddish-brown, the ornamentation then granulose to slightly areolate; exoperidium persistent until senescence; endoperidium membranous, glabrous, pale-tan to ochre-brown; gleba at first white, soft, yellowish to yellowish-olive, at maturity olive-brown; fruiting body dehiscing via a late-forming apical pore; subgleba white, finely-textured, unchanging; odor and taste strongly fungal.

Mucronella bresadolae

Sporocarp
Fruiting body, 2.0-7.0 mm tall, approximately 1.0 mm thick simple, slender, tapered above and below, appearing spindle-shaped, round in cross section, solid, the upper portion fertile; surface glabrous, whitish, on a short inconspicuous, narrowed sterile base, the latter cream-yellow, minutely hairy when viewed with a hand lens; fruiting bodies typically clustered, hanging from a lignicolous substrate; odor indistinct; taste mild.

	Mucronella flava
	California Fungi—Mucronella flava

Multiclavula mucida

Sporocarp
Fruiting body 0.5-1.0 cm tall, 0.75-1.0 mm thick, a simple, erect, strand, only occasionally branched, straight or with a basal bend, equal to tapering to a slightly enlarged apex; upper two-thirds fertile, glabrous, oval in cross-section, cream-buff to pale peach-buff, in age or on drying tawny-brown; sterile lower portion scarcely distinct from fertile area, usually pallid to white, with occasional sparse hairs; context pliant, solid to stuffed, cream-colored, incorporating clumps of algal cells; odor and taste mild.

	Mycena abramsii
	California Fungi—Mycena abramsii

Mycena acicula

Pileus
Cap 2-8 mm broad, at first hemispherical, expanding to broadly-conic, occasionally with a low umbo, convex at maturity, not hygrophanous; margin weakly sulcate, striate to near the disc, incurved in youth, then decurved, sometimes slightly raised in age; surface reddish-orange shading to yellow-orange or pale-yellow at the margin; surface inconspicuously white-pruinose early in development; context thin, approximately 0.5 mm thick, creamy-yellow to pale yellow-orange; odor and taste not distinctive.

	Mycena adonis
	Habitat Scattered to gregarious on bark, leaf, and needle debris and on the twigs of both hardwoods and conifers; fall and winter in North and Central Coast Ranges and the northern Sierra Nevada.

Mycena adscendens

Pileus
Cap 2.0-4.0 mm broad, at first hemispherical, becoming convex to flattened-convex, the disc sometimes sub-umbilicate; margin incurved in youth, decurved at maturity; surface translucent-striate/sulcate from margin to disc, the latter pale grey, elsewhere pallid, coated with white, sugar-like granules, these frequently inconspicuous with age; context thin, membranous, translucent-white, unchanging when cut; odor and taste mild.

Mycena amicta

Pileus
Cap 0.5-1.5 cm broad, obtuse-conic to campanulate at maturity, sometimes with a low umbo; margin at first incurved, then decurved to level; surface pruinose, subviscid when moist, hygrophanous, translucent-striate, the cuticle separable; color grey-brown to grey, lighter towards the margin, often tinged bluish to bluish-grey when fresh, fading in age to pale greyish-tan; context greyish, about 1 mm at the disc; odor slightly pungent, taste mild.

Mycena aurantiomarginata

Pileus
Cap 1.0-2.0 (2.5) cm broad, obtuse-conic to bell-shaped, expanding to plano-convex, often with a low umbo, margin decurved; surface dry, translucent-striate to sulcate, sometimes with a faint whitish bloom when young; color: dark-brown to deep olive-brown at the disc, lighter towards the margin, the latter typically some shade of orange when young, fading to cream-buff at maturity, paler overall in age; context very thin, approximately 1.0 mm at the disc, whitish to watery-brown; odor not distinctive, taste mild.

	Mycena californiensis
	Pileus Cap 0.7-2.0 cm broad, conic, campanulate in age, the margin striate to slightly ridged; surface smooth, orange-brown at the disc, paler at the margin; flesh thin, reddish-brown, exuding a reddish juice when injured; odor and taste mild.

	Mycena capillaripes
	Pileus Cap 1-2 cm broad, convex, becoming bell-shaped, slightly knobbed or umbonate at maturity; margin entire to slightly scalloped; surface smooth, translucent-striate when moist, grey-brown, sometimes tinged pale vinaceous, fading to pale grey, then slightly furrowed; flesh thin, grey, unchanging; odor of bleach; taste mild.

Mycena galericulata

Pileus
Cap 2.0-5.0 cm broad, obtuse-conic to bell-shaped, expanding to plano-convex, sometimes plano- depressed; margin incurved, then decurved, eventually plane to raised, occasionally wavy; surface moist, striate-wrinkled to near the disc at maturity, color: buff-brown, tan-brown, pale brownish-grey, the margin lighter than the disc, darker overall with age; context white, unchanging, thin, up to 2.5 mm at the disc; odor and taste farinaceous.

	Mycena galopus
	California Fungi—Mycena galopus

	Mycena haematopus
	Pileus Cap 1-3.0 cm broad, hemispheric to campanulate, the margin irregularly hairy, becoming convex and conspicuously striate, occasionally faintly furrowed; surface smooth, dry, hygrophanous, dull vinaceous-brown fading to pale pinkish-brown; flesh, thin, pallid unchanging; odor and taste mild.

Mycena lilacifolia: Chromosera cyanophylla

Pileus
Cap 1.0-2.5 cm broad at maturity, at first convex, becoming plano-convex, in age the disc broadly flattened, depressed or umbillicate; margin translucent-striate to near the disc, incurved in youth, then decurved, occasionally plane at maturity; surface glabrous, viscid, lavender to lilac, soon fading to yellowish or yellowish-tan; context thin, < 1 mm, pallid, unchanging; odor indistinct; taste mild.

Mycena maculata

Pileus
Pileus 1.5-4.0 cm broad, obtuse-conic to broadly conic-umbonate, becoming campanulate to convex-umbonate, in age plano-convex, a low umbo often persisting; margin incurved in youth, then decurved, entire to obscurely crenate or eroded at maturity; surface oily when moist, otherwise dry, not hygrophanous, striate to striate-sulcate approximately one-half the distance to the disc, elsewhere glabrous; color when fresh, greyish-brown fading to pale-grey or buff-brown, frequently developing sordid reddish-brown spots; context thin, approximately 1 mm at the disc, white, sometimes discoloring reddish-brown where cut or injured; odor not distinct, taste slightly of cucumbers.

	Mycena nivicola
	Pileus Cap 1.5-3.0 cm broad, obtuse-conic to convex, eventually plano-convex; margin incurved, then decurved, translucent striate, at maturity inconspicuously striate-sulcate; surface glabrous, lubricous when moist, dull yellowish-olive, olive-brown, to tan-brown; context thin, up to 2.0 mm at disc; whitish to pale yellow; odor and taste slightly farinaceous.

	Mycena oregonensis
	Pileus Cap 2-8 mm broad, hemispheric becoming convex; margin decurved, slightly undulate; surface moist, faintly pruinose when young, soon glabrous, translucent-striate, indistinctly so when dry; bright yellow, sometimes yellow-orange at the disc, fading to pale yellow or almost white; context thin, yellowish, unchanging; odor and taste mild.

Mycena overholtsii

Pileus
Cap 2.0-6.0 cm in diameter, at first broadly-conic to campanulate, then convex, expanding to plano-convex, often with a low umbo; margin at first incurved, then decurved, striate; surface glabrous, lubricous when moist, brown to grey-brown, fading to pale-grey or buff, sometimes tinged yellowish when dry; context firm, whitish, unchanging, up to 5.0 mm thick at the disc; odor mild, (of yeast according to Smith); taste mild.

	Mycena pura
	Pileus Cap 1.5-4.5 cm broad, conic, then convex, finally nearly plane with a low umbo, margin striate, sometimes upturned in age; surface smooth, moist, hygrophanous, color varying from purple, lilac, greyish-lilac, rose, pinkish-grey to nearly white, fading in age; flesh thin, pale lilac; taste and odor mildly of radish.

	Mycena purpureofusca
	Pileus Cap 0.7-3.0 cm broad, conic becoming bell-shaped, often with a distinct umbo; margin faintly striate at first, conspicuously so in age, often slightly radially furrowed; surface dry, smooth, dark-purple at the disc shading to lilac-brown at the margin; flesh thin, pallid, sometimes pale-vinaceous below the cuticle, unchanging; odor and taste mild.

	Mycena strobilinoides
	California Fungi—Mycena strobilinoides

Mycenastrum corium

Sporocarp
Fruiting body sub-hypogeous to emergent, 7–17 cm broad, 5–8 cm tall, compressed globose to turbinate, abruptly tapered to a pointed base, attached by a well developed tuft of mycelium to the substrate; exoperidium, white to buff, relatively thick, in age forming a thin, patchy covering; endoperidium thick (up to 2 mm) tough, leathery, blackish-brown; spores released by splitting of the endoperidium into irregularly shaped sections; gleba whitish, maturing olive-brown to dark-brown, drying medium-brown; coarse mycelial strands seen near the base of the gleba; subgleba absent; odor somewhat pungent, earthy; taste slightly astringent.